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ArmPkg/ArmLib: Added helper functions for accessing CPU ACTLR

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Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15396 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Olivier Martin
2014-03-26 19:31:01 +00:00
committed by oliviermartin
parent b7dd4dbd26
commit 52d44f77c2
5 changed files with 109 additions and 5 deletions
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30
ArmPkg/Library/ArmLib/Common/ArmLib.c
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@@ -1,7 +1,7 @@
/** @file
Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
Copyright (c) 2011 - 2012, ARM Ltd. All rights reserved.<BR>
Copyright (c) 2011 - 2014, ARM Ltd. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
@@ -62,3 +62,31 @@ ArmUnsetAuxCrBit (
val &= ~Bits;
ArmWriteAuxCr(val);
}
//
// Helper functions for accessing CPUACTLR
//
VOID
EFIAPI
ArmSetCpuActlrBit (
IN UINTN Bits
)
{
UINTN Value;
Value = ArmReadCpuActlr ();
Value |= Bits;
ArmWriteCpuActlr (Value);
}
VOID
EFIAPI
ArmUnsetCpuActlrBit (
IN UINTN Bits
)
{
UINTN Value;
Value = ArmReadCpuActlr ();
Value &= ~Bits;
ArmWriteCpuActlr (Value);
}